Iron Horse Acquisition Co.-29UCFIWPreferred / convertible

13F holders, Q1 2025 (March 31)
28holders −2
1new positions
3sold out
1famous investor
$0.90avg. 13F price*

At the end of Q1 2025, 28 institutions reported holding Iron Horse Acquisition Co.-29 (UCFIW) in their 13F filings, down 2 from Q4 2024. 1 opened new positions and 3 sold out. The largest holders were Boothbay Fund Management, LLC ($3.5M), Rivernorth Capital Management, LLC ($15K) and AQR Arbitrage LLC ($15K). One famous investor held it David E. Shaw ( of D. E. Shaw & Co.'s portfolio).

Company
Iron Horse Acquisition Co.-29
CUSIP
462837113
Latest filing quarter
Q2 2026

History

Number of 13F holders

0102030 Q1 2024: 21Q1 2024Q2 2024: 28Q2 2024Q3 2024: 29Q3 2024Q4 2024: 30Q4 2024Q1 2025: 28Q1 2025Q2 2025: 27Q2 2025Q3 2025: 24Q3 2025Q4 2025: 24Q4 2025Q1 2026: 22Q1 2026Q2 2026: 23Q2 2026

Total Exit/New Position Q4 2024 → Q1 2025

InstitutionsTotal Value
New Positions1$887
Exits3$7K

All 13F filers, Q4 2024 → Q1 2025: 229,420 shares bought and 215,407 shares sold, net +14,013 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 28 holders
Boothbay Fund Management, LLC — No change 334,020 $3.5M
Rivernorth Capital Management, LLC — No change 508,133 $15K
AQR Arbitrage LLC — No change 455,257 $15K
Atw Spac Management LLC — No change 334,020 $12K
Hudson Bay Capital Management LP — No change 272,700 $9K
Shaolin Capital Management LLC — Add +51.8% 225,566 $7K
Clear Street LLC — Add +128.4% 216,637 $7K
Westchester Capital Management, LLC — No change 243,606 $7K
Heights Capital Management, Inc. — No change 200,000 $6K
Yakira Capital Management, Inc. — No change 153,706 $6K
Whitebox Advisors LLC — No change 150,000 $5K
Verition Fund Management LLC — No change 157,702 $4K
Gritstone Asset Management LLC — Reduce -0.3% 112,697 $4K
Periscope Capital Inc. — No change 99,000 $4K
D. E. Shaw & Co. — No change 119,035 $3K
Bulldog Investors, LLP — Reduce -19.1% 96,796 $3K
Polar Asset Management Partners Inc. — No change 75,000 $2K
Centiva Capital, LP — No change 65,000 $2K
Aristeia Capital, L.L.C. — Reduce -2.4% 48,810 $2K
Crossingbridge Advisors, LLC — No change 50,000 $2K
Flow Traders U.S. LLC — Add +7.7% 18,222 $1K
Susquehanna International Group, LLP — New 27,718 $887
ADAR1 Capital Management, LLC — No change 25,000 $800
Mizuho Securities USA LLC — No change 25,000 $500
TrueMark Investments, LLC — No change 12,150 $425
Longfellow Investment Management Co. LLC — No change 4,320 $138
UBS Group AG — Add +138.3% 2,741 $82
Bank of America Corp. — Reduce -57.1% 75 $2

"% of holder's portfolio" is UCFIW's weight in each manager's 13F, not the share of Iron Horse Acquisition Co.-29 the manager owns.